Espresso Machines - Which One is Right For You? This is what people think of when they envision an espresso machine. These are machines driven by pumps that let the user manage the grinding, tamping, and extraction time. Luigi Bezzera, Desiderio Pavoni and others have patented improvements to the design. https://coffeee-uk07504.eedblog.com/29852932/10-life-lessons-we-can-learn-from-espresso-coffee-maker